Quick answer
Yes. Smoked tuna freezes well. Let it cool, wrap it airtight or vacuum seal it, and freeze it at 0°F (-18°C). Use it within about 2 to 3 months for the best flavor. Thaw it overnight in the fridge and eat it within a few days. Home smoked tuna only keeps for 3 to 4 days in the fridge, so freeze anything you will not eat in that time.
Smoking a batch of tuna is worth the effort, but a few big steaks go a long way. Freezing is the easiest way to keep that work from going to waste. Here is how to do it so the tuna still tastes good when it comes back out.
How long does smoked tuna last in the fridge?
That depends on how it was smoked and packaged:
| Type | Fridge | Freezer |
| Home hot smoked tuna | 3 to 4 days | 2 to 3 months for best quality |
| Commercial smoked fish, unopened | Up to about 2 weeks, or follow the date on the pack | About 2 months |
| Commercial smoked fish, opened | Treat as cooked fish, about 3 to 4 days | About 2 months |
Home smoked tuna has not been through the controlled processing and packaging of commercial products, so treat it like any other cooked fish. If you have not made it before, our smoked tuna guide covers the brine and smoking times.
How freezing affects smoked tuna
Freezing keeps it safe, but it is not perfect. When water in the fish freezes, the ice crystals damage the flesh a little. After thawing, smoked tuna is usually slightly softer and can release some liquid. The smoke flavor holds up well.
Air is the main enemy. Exposure to air causes freezer burn and lets the oils oxidize, which gives a stale, fishy taste. Fattier pieces like tuna belly are more prone to this, so wrap them especially well.
How to freeze smoked tuna
- Cool it quickly. Let it cool, then chill it in the fridge. Get it in the fridge within two hours of it coming out of the smoker.
- Portion it. Cut it into the amounts you will use at once, so you only thaw what you need.
- Wrap it airtight. Vacuum sealing is best. If you do not have a sealer, wrap each piece tightly in plastic wrap, then put it in a freezer bag and squeeze out as much air as you can.
- Label it. Write the date on every pack.
- Freeze it flat so it freezes quickly and stacks neatly.
How to thaw smoked tuna
- Best: overnight in the fridge, still sealed, on a plate to catch any drips.
- Faster: sealed bag submerged in cold water, changing the water every 30 minutes.
- Avoid: thawing on the counter or in warm water.
Once thawed, use it within a couple of days. Pat it dry before serving.
Best ways to use frozen smoked tuna
Because the texture softens slightly, thawed smoked tuna is at its best in dishes where it is flaked or mixed:
- Smoked tuna dip. Flake it into cream cheese, mayonnaise, lemon juice, hot sauce and chopped green onion. Serve it with crackers.
- Salads. Flaked over potato salad, a niçoise style salad or mixed greens.
- Pasta. Stirred through a creamy or olive oil pasta at the end of cooking.
- Fish cakes. Mixed with mashed potato, herbs and egg, then fried.
Can you refreeze smoked tuna?
If it was thawed in the fridge and has not been out of it, you can refreeze it safely, but the texture will suffer further. It is better to freeze in small portions so you do not need to.
A note on cold smoked fish
Most home smoked tuna is hot smoked, which cooks it. Cold smoked fish is not cooked, and refrigerated smoked seafood carries a risk of listeria. People who are pregnant, elderly or have weakened immune systems are generally advised to avoid it unless it is cooked in a dish to 165°F (74°C). Freezing does not kill listeria.
For more on keeping smoked food safe, see our guide on how long smoked meat lasts.
Frequently asked questions
How long can you freeze smoked tuna?
It stays safe as long as it stays frozen at 0°F (-18°C), but for the best taste and texture use it within about 2 to 3 months.
Does freezing ruin smoked tuna?
No, but it softens the texture slightly. It is still excellent in dips, salads and pasta.
Can you eat frozen smoked tuna without cooking it?
Hot smoked tuna is already cooked, so once it is thawed you can eat it cold. Cold smoked fish is a different product, as explained above.
How do you reheat smoked tuna?
Gently, or it will dry out. Warm it covered in a low oven or add it to a hot dish at the end of cooking. Reheated leftovers should reach 165°F (74°C).
Sources: University of Minnesota Extension: storage times for the refrigerator and freezer.